Home / 42,895.84-64,332.24-11,723.80

Finding the Fourth Proportional to 42,895.84, 64,332.24 and 11,723.80

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Solution

The fourth proportional to 42,895.84, 64,332.24 and 11,723.80 is: 17,582.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,895.84 : 64,332.24 = 11,723.80 : x
  2. Step 2: Convert to fraction form
    42,895.84/64,332.24 = 11,723.80/x
  3. Step 3: Cross multiply
    42,895.84x = 64,332.24 × 11,723.80
  4. Step 4: Simplify right side
    42,895.84x = 754,218,315.31
  5. Step 5: Solve for x
    x = 754,218,315.31/42,895.84
  6. Step 6: Final answer
    x = 17,582.55

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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.