Home / 31,470.95-47,206.42-30,104.29

Finding the Fourth Proportional to 31,470.95, 47,206.42 and 30,104.29

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Solution

The fourth proportional to 31,470.95, 47,206.42 and 30,104.29 is: 45,156.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,470.95 : 47,206.42 = 30,104.29 : x
  2. Step 2: Convert to fraction form
    31,470.95/47,206.42 = 30,104.29/x
  3. Step 3: Cross multiply
    31,470.95x = 47,206.42 × 30,104.29
  4. Step 4: Simplify right side
    31,470.95x = 1,421,115,521.51
  5. Step 5: Solve for x
    x = 1,421,115,521.51/31,470.95
  6. Step 6: Final answer
    x = 45,156.43

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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.