Home / 48,007.53-72,011.28-12,947.17

Finding the Fourth Proportional to 48,007.53, 72,011.28 and 12,947.17

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Solution

The fourth proportional to 48,007.53, 72,011.28 and 12,947.17 is: 19,420.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,007.53 : 72,011.28 = 12,947.17 : x
  2. Step 2: Convert to fraction form
    48,007.53/72,011.28 = 12,947.17/x
  3. Step 3: Cross multiply
    48,007.53x = 72,011.28 × 12,947.17
  4. Step 4: Simplify right side
    48,007.53x = 932,342,284.08
  5. Step 5: Solve for x
    x = 932,342,284.08/48,007.53
  6. Step 6: Final answer
    x = 19,420.75

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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.