Home / 42,752.96-64,124.16-11,590.40

Finding the Fourth Proportional to 42,752.96, 64,124.16 and 11,590.40

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Solution

The fourth proportional to 42,752.96, 64,124.16 and 11,590.40 is: 17,384.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,752.96 : 64,124.16 = 11,590.40 : x
  2. Step 2: Convert to fraction form
    42,752.96/64,124.16 = 11,590.40/x
  3. Step 3: Cross multiply
    42,752.96x = 64,124.16 × 11,590.40
  4. Step 4: Simplify right side
    42,752.96x = 743,224,664.06
  5. Step 5: Solve for x
    x = 743,224,664.06/42,752.96
  6. Step 6: Final answer
    x = 17,384.17

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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.