Home / 39,966.96-59,980.48-15,031.60

Finding the Fourth Proportional to 39,966.96, 59,980.48 and 15,031.60

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Solution

The fourth proportional to 39,966.96, 59,980.48 and 15,031.60 is: 22,558.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,966.96 : 59,980.48 = 15,031.60 : x
  2. Step 2: Convert to fraction form
    39,966.96/59,980.48 = 15,031.60/x
  3. Step 3: Cross multiply
    39,966.96x = 59,980.48 × 15,031.60
  4. Step 4: Simplify right side
    39,966.96x = 901,602,583.17
  5. Step 5: Solve for x
    x = 901,602,583.17/39,966.96
  6. Step 6: Final answer
    x = 22,558.70

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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.