Home / 48,283.60-72,425.40-40,507.60

Finding the Fourth Proportional to 48,283.60, 72,425.40 and 40,507.60

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Solution

The fourth proportional to 48,283.60, 72,425.40 and 40,507.60 is: 60,761.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,283.60 : 72,425.40 = 40,507.60 : x
  2. Step 2: Convert to fraction form
    48,283.60/72,425.40 = 40,507.60/x
  3. Step 3: Cross multiply
    48,283.60x = 72,425.40 × 40,507.60
  4. Step 4: Simplify right side
    48,283.60x = 2,933,779,133.04
  5. Step 5: Solve for x
    x = 2,933,779,133.04/48,283.60
  6. Step 6: Final answer
    x = 60,761.40

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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.