Home / 30,386.34-45,562.50-10,657.17

Finding the Fourth Proportional to 30,386.34, 45,562.50 and 10,657.17

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Solution

The fourth proportional to 30,386.34, 45,562.50 and 10,657.17 is: 15,979.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,386.34 : 45,562.50 = 10,657.17 : x
  2. Step 2: Convert to fraction form
    30,386.34/45,562.50 = 10,657.17/x
  3. Step 3: Cross multiply
    30,386.34x = 45,562.50 × 10,657.17
  4. Step 4: Simplify right side
    30,386.34x = 485,567,308.13
  5. Step 5: Solve for x
    x = 485,567,308.13/30,386.34
  6. Step 6: Final answer
    x = 15,979.79

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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.