Home / 52,315.29-72,210.56-31,108.68

Finding the Fourth Proportional to 52,315.29, 72,210.56 and 31,108.68

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Solution

The fourth proportional to 52,315.29, 72,210.56 and 31,108.68 is: 42,939.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,315.29 : 72,210.56 = 31,108.68 : x
  2. Step 2: Convert to fraction form
    52,315.29/72,210.56 = 31,108.68/x
  3. Step 3: Cross multiply
    52,315.29x = 72,210.56 × 31,108.68
  4. Step 4: Simplify right side
    52,315.29x = 2,246,375,048.12
  5. Step 5: Solve for x
    x = 2,246,375,048.12/52,315.29
  6. Step 6: Final answer
    x = 42,939.17

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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.