Home / 31,559.52-47,287.04-28,303.60

Finding the Fourth Proportional to 31,559.52, 47,287.04 and 28,303.60

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Solution

The fourth proportional to 31,559.52, 47,287.04 and 28,303.60 is: 42,408.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,559.52 : 47,287.04 = 28,303.60 : x
  2. Step 2: Convert to fraction form
    31,559.52/47,287.04 = 28,303.60/x
  3. Step 3: Cross multiply
    31,559.52x = 47,287.04 × 28,303.60
  4. Step 4: Simplify right side
    31,559.52x = 1,338,393,465.34
  5. Step 5: Solve for x
    x = 1,338,393,465.34/31,559.52
  6. Step 6: Final answer
    x = 42,408.55

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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.