Home / 47,368.60-65,368.38-28,501.72

Finding the Fourth Proportional to 47,368.60, 65,368.38 and 28,501.72

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Solution

The fourth proportional to 47,368.60, 65,368.38 and 28,501.72 is: 39,332.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,368.60 : 65,368.38 = 28,501.72 : x
  2. Step 2: Convert to fraction form
    47,368.60/65,368.38 = 28,501.72/x
  3. Step 3: Cross multiply
    47,368.60x = 65,368.38 × 28,501.72
  4. Step 4: Simplify right side
    47,368.60x = 1,863,111,263.61
  5. Step 5: Solve for x
    x = 1,863,111,263.61/47,368.60
  6. Step 6: Final answer
    x = 39,332.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.