Home / 31,787.85-47,623.65-14,889.84

Finding the Fourth Proportional to 31,787.85, 47,623.65 and 14,889.84

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Solution

The fourth proportional to 31,787.85, 47,623.65 and 14,889.84 is: 22,307.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,787.85 : 47,623.65 = 14,889.84 : x
  2. Step 2: Convert to fraction form
    31,787.85/47,623.65 = 14,889.84/x
  3. Step 3: Cross multiply
    31,787.85x = 47,623.65 × 14,889.84
  4. Step 4: Simplify right side
    31,787.85x = 709,108,528.72
  5. Step 5: Solve for x
    x = 709,108,528.72/31,787.85
  6. Step 6: Final answer
    x = 22,307.53

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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.