Home / 31,375.10-47,068.48-10,316.32

Finding the Fourth Proportional to 31,375.10, 47,068.48 and 10,316.32

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Solution

The fourth proportional to 31,375.10, 47,068.48 and 10,316.32 is: 15,476.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,375.10 : 47,068.48 = 10,316.32 : x
  2. Step 2: Convert to fraction form
    31,375.10/47,068.48 = 10,316.32/x
  3. Step 3: Cross multiply
    31,375.10x = 47,068.48 × 10,316.32
  4. Step 4: Simplify right side
    31,375.10x = 485,573,501.59
  5. Step 5: Solve for x
    x = 485,573,501.59/31,375.10
  6. Step 6: Final answer
    x = 15,476.40

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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.