Home / 31,548.35-47,312.29-10,482.74

Finding the Fourth Proportional to 31,548.35, 47,312.29 and 10,482.74

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Solution

The fourth proportional to 31,548.35, 47,312.29 and 10,482.74 is: 15,720.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,548.35 : 47,312.29 = 10,482.74 : x
  2. Step 2: Convert to fraction form
    31,548.35/47,312.29 = 10,482.74/x
  3. Step 3: Cross multiply
    31,548.35x = 47,312.29 × 10,482.74
  4. Step 4: Simplify right side
    31,548.35x = 495,962,307.56
  5. Step 5: Solve for x
    x = 495,962,307.56/31,548.35
  6. Step 6: Final answer
    x = 15,720.70

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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.