Home / 42,678.48-64,025.96-16,381.17

Finding the Fourth Proportional to 42,678.48, 64,025.96 and 16,381.17

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Solution

The fourth proportional to 42,678.48, 64,025.96 and 16,381.17 is: 24,574.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,678.48 : 64,025.96 = 16,381.17 : x
  2. Step 2: Convert to fraction form
    42,678.48/64,025.96 = 16,381.17/x
  3. Step 3: Cross multiply
    42,678.48x = 64,025.96 × 16,381.17
  4. Step 4: Simplify right side
    42,678.48x = 1,048,820,135.17
  5. Step 5: Solve for x
    x = 1,048,820,135.17/42,678.48
  6. Step 6: Final answer
    x = 24,574.92

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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.