Home / 31,385.64-47,038.43-14,708.89

Finding the Fourth Proportional to 31,385.64, 47,038.43 and 14,708.89

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Solution

The fourth proportional to 31,385.64, 47,038.43 and 14,708.89 is: 22,044.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,385.64 : 47,038.43 = 14,708.89 : x
  2. Step 2: Convert to fraction form
    31,385.64/47,038.43 = 14,708.89/x
  3. Step 3: Cross multiply
    31,385.64x = 47,038.43 × 14,708.89
  4. Step 4: Simplify right side
    31,385.64x = 691,883,011.82
  5. Step 5: Solve for x
    x = 691,883,011.82/31,385.64
  6. Step 6: Final answer
    x = 22,044.57

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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.