Home / 42,678.84-64,018.28-14,599.17

Finding the Fourth Proportional to 42,678.84, 64,018.28 and 14,599.17

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Solution

The fourth proportional to 42,678.84, 64,018.28 and 14,599.17 is: 21,898.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,678.84 : 64,018.28 = 14,599.17 : x
  2. Step 2: Convert to fraction form
    42,678.84/64,018.28 = 14,599.17/x
  3. Step 3: Cross multiply
    42,678.84x = 64,018.28 × 14,599.17
  4. Step 4: Simplify right side
    42,678.84x = 934,613,789.33
  5. Step 5: Solve for x
    x = 934,613,789.33/42,678.84
  6. Step 6: Final answer
    x = 21,898.76

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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.