Home / 35,035.70-48,349.40-19,120.50

Finding the Fourth Proportional to 35,035.70, 48,349.40 and 19,120.50

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Solution

The fourth proportional to 35,035.70, 48,349.40 and 19,120.50 is: 26,386.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,035.70 : 48,349.40 = 19,120.50 : x
  2. Step 2: Convert to fraction form
    35,035.70/48,349.40 = 19,120.50/x
  3. Step 3: Cross multiply
    35,035.70x = 48,349.40 × 19,120.50
  4. Step 4: Simplify right side
    35,035.70x = 924,464,607.10
  5. Step 5: Solve for x
    x = 924,464,607.10/35,035.70
  6. Step 6: Final answer
    x = 26,386.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.