Home / 42,280.17-63,420.88-20,095.81

Finding the Fourth Proportional to 42,280.17, 63,420.88 and 20,095.81

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Solution

The fourth proportional to 42,280.17, 63,420.88 and 20,095.81 is: 30,144.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,280.17 : 63,420.88 = 20,095.81 : x
  2. Step 2: Convert to fraction form
    42,280.17/63,420.88 = 20,095.81/x
  3. Step 3: Cross multiply
    42,280.17x = 63,420.88 × 20,095.81
  4. Step 4: Simplify right side
    42,280.17x = 1,274,493,954.51
  5. Step 5: Solve for x
    x = 1,274,493,954.51/42,280.17
  6. Step 6: Final answer
    x = 30,144.01

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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.