Home / 42,869.17-64,303.76-17,895.59

Finding the Fourth Proportional to 42,869.17, 64,303.76 and 17,895.59

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Solution

The fourth proportional to 42,869.17, 64,303.76 and 17,895.59 is: 26,843.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,869.17 : 64,303.76 = 17,895.59 : x
  2. Step 2: Convert to fraction form
    42,869.17/64,303.76 = 17,895.59/x
  3. Step 3: Cross multiply
    42,869.17x = 64,303.76 × 17,895.59
  4. Step 4: Simplify right side
    42,869.17x = 1,150,753,724.42
  5. Step 5: Solve for x
    x = 1,150,753,724.42/42,869.17
  6. Step 6: Final answer
    x = 26,843.39

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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.