Home / 31,853.02-47,763.14-14,307.80

Finding the Fourth Proportional to 31,853.02, 47,763.14 and 14,307.80

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Solution

The fourth proportional to 31,853.02, 47,763.14 and 14,307.80 is: 21,454.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,853.02 : 47,763.14 = 14,307.80 : x
  2. Step 2: Convert to fraction form
    31,853.02/47,763.14 = 14,307.80/x
  3. Step 3: Cross multiply
    31,853.02x = 47,763.14 × 14,307.80
  4. Step 4: Simplify right side
    31,853.02x = 683,385,454.49
  5. Step 5: Solve for x
    x = 683,385,454.49/31,853.02
  6. Step 6: Final answer
    x = 21,454.34

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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.