Home / 30,976.65-42,748.08-17,547.62

Finding the Fourth Proportional to 30,976.65, 42,748.08 and 17,547.62

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Solution

The fourth proportional to 30,976.65, 42,748.08 and 17,547.62 is: 24,215.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,976.65 : 42,748.08 = 17,547.62 : x
  2. Step 2: Convert to fraction form
    30,976.65/42,748.08 = 17,547.62/x
  3. Step 3: Cross multiply
    30,976.65x = 42,748.08 × 17,547.62
  4. Step 4: Simplify right side
    30,976.65x = 750,126,897.08
  5. Step 5: Solve for x
    x = 750,126,897.08/30,976.65
  6. Step 6: Final answer
    x = 24,215.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.