Home / 52,210.32-72,050.78-28,337.20

Finding the Fourth Proportional to 52,210.32, 72,050.78 and 28,337.20

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Solution

The fourth proportional to 52,210.32, 72,050.78 and 28,337.20 is: 39,105.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,210.32 : 72,050.78 = 28,337.20 : x
  2. Step 2: Convert to fraction form
    52,210.32/72,050.78 = 28,337.20/x
  3. Step 3: Cross multiply
    52,210.32x = 72,050.78 × 28,337.20
  4. Step 4: Simplify right side
    52,210.32x = 2,041,717,363.02
  5. Step 5: Solve for x
    x = 2,041,717,363.02/52,210.32
  6. Step 6: Final answer
    x = 39,105.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.