Home / 39,984.74-59,977.19-10,402.53

Finding the Fourth Proportional to 39,984.74, 59,977.19 and 10,402.53

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Solution

The fourth proportional to 39,984.74, 59,977.19 and 10,402.53 is: 15,603.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,984.74 : 59,977.19 = 10,402.53 : x
  2. Step 2: Convert to fraction form
    39,984.74/59,977.19 = 10,402.53/x
  3. Step 3: Cross multiply
    39,984.74x = 59,977.19 × 10,402.53
  4. Step 4: Simplify right side
    39,984.74x = 623,914,518.29
  5. Step 5: Solve for x
    x = 623,914,518.29/39,984.74
  6. Step 6: Final answer
    x = 15,603.82

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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.