Home / 42,036.80-58,011.18-23,174.60

Finding the Fourth Proportional to 42,036.80, 58,011.18 and 23,174.60

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Solution

The fourth proportional to 42,036.80, 58,011.18 and 23,174.60 is: 31,981.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,036.80 : 58,011.18 = 23,174.60 : x
  2. Step 2: Convert to fraction form
    42,036.80/58,011.18 = 23,174.60/x
  3. Step 3: Cross multiply
    42,036.80x = 58,011.18 × 23,174.60
  4. Step 4: Simplify right side
    42,036.80x = 1,344,385,950.15
  5. Step 5: Solve for x
    x = 1,344,385,950.15/42,036.80
  6. Step 6: Final answer
    x = 31,981.17

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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.