Home / 37,721.80-56,582.70-14,345.20

Finding the Fourth Proportional to 37,721.80, 56,582.70 and 14,345.20

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Solution

The fourth proportional to 37,721.80, 56,582.70 and 14,345.20 is: 21,517.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,721.80 : 56,582.70 = 14,345.20 : x
  2. Step 2: Convert to fraction form
    37,721.80/56,582.70 = 14,345.20/x
  3. Step 3: Cross multiply
    37,721.80x = 56,582.70 × 14,345.20
  4. Step 4: Simplify right side
    37,721.80x = 811,690,148.04
  5. Step 5: Solve for x
    x = 811,690,148.04/37,721.80
  6. Step 6: Final answer
    x = 21,517.80

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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.