Home / 39,787.51-59,681.28-10,205.35

Finding the Fourth Proportional to 39,787.51, 59,681.28 and 10,205.35

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Solution

The fourth proportional to 39,787.51, 59,681.28 and 10,205.35 is: 15,308.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,787.51 : 59,681.28 = 10,205.35 : x
  2. Step 2: Convert to fraction form
    39,787.51/59,681.28 = 10,205.35/x
  3. Step 3: Cross multiply
    39,787.51x = 59,681.28 × 10,205.35
  4. Step 4: Simplify right side
    39,787.51x = 609,068,127.29
  5. Step 5: Solve for x
    x = 609,068,127.29/39,787.51
  6. Step 6: Final answer
    x = 15,308.02

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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.