Home / 53,427.38-80,140.90-15,987.46

Finding the Fourth Proportional to 53,427.38, 80,140.90 and 15,987.46

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Solution

The fourth proportional to 53,427.38, 80,140.90 and 15,987.46 is: 23,981.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,427.38 : 80,140.90 = 15,987.46 : x
  2. Step 2: Convert to fraction form
    53,427.38/80,140.90 = 15,987.46/x
  3. Step 3: Cross multiply
    53,427.38x = 80,140.90 × 15,987.46
  4. Step 4: Simplify right side
    53,427.38x = 1,281,249,433.11
  5. Step 5: Solve for x
    x = 1,281,249,433.11/53,427.38
  6. Step 6: Final answer
    x = 23,981.14

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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.