Home / 42,888.36-64,350.90-17,934.24

Finding the Fourth Proportional to 42,888.36, 64,350.90 and 17,934.24

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Solution

The fourth proportional to 42,888.36, 64,350.90 and 17,934.24 is: 26,909.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,888.36 : 64,350.90 = 17,934.24 : x
  2. Step 2: Convert to fraction form
    42,888.36/64,350.90 = 17,934.24/x
  3. Step 3: Cross multiply
    42,888.36x = 64,350.90 × 17,934.24
  4. Step 4: Simplify right side
    42,888.36x = 1,154,084,484.82
  5. Step 5: Solve for x
    x = 1,154,084,484.82/42,888.36
  6. Step 6: Final answer
    x = 26,909.04

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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.