Home / 30,334,059.40-45,501,089.10-21,831,003.40

Finding the Fourth Proportional to 30,334,059.40, 45,501,089.10 and 21,831,003.40

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Solution

The fourth proportional to 30,334,059.40, 45,501,089.10 and 21,831,003.40 is: 32,746,505.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,334,059.40 : 45,501,089.10 = 21,831,003.40 : x
  2. Step 2: Convert to fraction form
    30,334,059.40/45,501,089.10 = 21,831,003.40/x
  3. Step 3: Cross multiply
    30,334,059.40x = 45,501,089.10 × 21,831,003.40
  4. Step 4: Simplify right side
    30,334,059.40x = 993,334,430,845,802.88
  5. Step 5: Solve for x
    x = 993,334,430,845,802.88/30,334,059.40
  6. Step 6: Final answer
    x = 32,746,505.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.