Home / 31,375.17-47,068.53-10,316.40

Finding the Fourth Proportional to 31,375.17, 47,068.53 and 10,316.40

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Solution

The fourth proportional to 31,375.17, 47,068.53 and 10,316.40 is: 15,476.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,375.17 : 47,068.53 = 10,316.40 : x
  2. Step 2: Convert to fraction form
    31,375.17/47,068.53 = 10,316.40/x
  3. Step 3: Cross multiply
    31,375.17x = 47,068.53 × 10,316.40
  4. Step 4: Simplify right side
    31,375.17x = 485,577,782.89
  5. Step 5: Solve for x
    x = 485,577,782.89/31,375.17
  6. Step 6: Final answer
    x = 15,476.50

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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.