Home / 48,417.57-72,603.68-20,331.63

Finding the Fourth Proportional to 48,417.57, 72,603.68 and 20,331.63

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Solution

The fourth proportional to 48,417.57, 72,603.68 and 20,331.63 is: 30,487.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,417.57 : 72,603.68 = 20,331.63 : x
  2. Step 2: Convert to fraction form
    48,417.57/72,603.68 = 20,331.63/x
  3. Step 3: Cross multiply
    48,417.57x = 72,603.68 × 20,331.63
  4. Step 4: Simplify right side
    48,417.57x = 1,476,151,056.74
  5. Step 5: Solve for x
    x = 1,476,151,056.74/48,417.57
  6. Step 6: Final answer
    x = 30,487.92

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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.