Home / 39,787.74-59,681.34-10,205.60

Finding the Fourth Proportional to 39,787.74, 59,681.34 and 10,205.60

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Solution

The fourth proportional to 39,787.74, 59,681.34 and 10,205.60 is: 15,308.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,787.74 : 59,681.34 = 10,205.60 : x
  2. Step 2: Convert to fraction form
    39,787.74/59,681.34 = 10,205.60/x
  3. Step 3: Cross multiply
    39,787.74x = 59,681.34 × 10,205.60
  4. Step 4: Simplify right side
    39,787.74x = 609,083,585.10
  5. Step 5: Solve for x
    x = 609,083,585.10/39,787.74
  6. Step 6: Final answer
    x = 15,308.32

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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.