Home / 39,389.40-59,083.78-9,807.02

Finding the Fourth Proportional to 39,389.40, 59,083.78 and 9,807.02

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Solution

The fourth proportional to 39,389.40, 59,083.78 and 9,807.02 is: 14,710.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,389.40 : 59,083.78 = 9,807.02 : x
  2. Step 2: Convert to fraction form
    39,389.40/59,083.78 = 9,807.02/x
  3. Step 3: Cross multiply
    39,389.40x = 59,083.78 × 9,807.02
  4. Step 4: Simplify right side
    39,389.40x = 579,435,812.14
  5. Step 5: Solve for x
    x = 579,435,812.14/39,389.40
  6. Step 6: Final answer
    x = 14,710.45

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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.