Home / 31,352.70-47,041.29-13,810.23

Finding the Fourth Proportional to 31,352.70, 47,041.29 and 13,810.23

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Solution

The fourth proportional to 31,352.70, 47,041.29 and 13,810.23 is: 20,720.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,352.70 : 47,041.29 = 13,810.23 : x
  2. Step 2: Convert to fraction form
    31,352.70/47,041.29 = 13,810.23/x
  3. Step 3: Cross multiply
    31,352.70x = 47,041.29 × 13,810.23
  4. Step 4: Simplify right side
    31,352.70x = 649,651,034.40
  5. Step 5: Solve for x
    x = 649,651,034.40/31,352.70
  6. Step 6: Final answer
    x = 20,720.74

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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.