Home / 31,358.19-47,208.43-28,602.57

Finding the Fourth Proportional to 31,358.19, 47,208.43 and 28,602.57

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Solution

The fourth proportional to 31,358.19, 47,208.43 and 28,602.57 is: 43,059.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,358.19 : 47,208.43 = 28,602.57 : x
  2. Step 2: Convert to fraction form
    31,358.19/47,208.43 = 28,602.57/x
  3. Step 3: Cross multiply
    31,358.19x = 47,208.43 × 28,602.57
  4. Step 4: Simplify right side
    31,358.19x = 1,350,282,352.16
  5. Step 5: Solve for x
    x = 1,350,282,352.16/31,358.19
  6. Step 6: Final answer
    x = 43,059.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.