Home / 47,490.30-65,534.67-30,470.58

Finding the Fourth Proportional to 47,490.30, 65,534.67 and 30,470.58

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Solution

The fourth proportional to 47,490.30, 65,534.67 and 30,470.58 is: 42,048.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,490.30 : 65,534.67 = 30,470.58 : x
  2. Step 2: Convert to fraction form
    47,490.30/65,534.67 = 30,470.58/x
  3. Step 3: Cross multiply
    47,490.30x = 65,534.67 × 30,470.58
  4. Step 4: Simplify right side
    47,490.30x = 1,996,879,405.01
  5. Step 5: Solve for x
    x = 1,996,879,405.01/47,490.30
  6. Step 6: Final answer
    x = 42,048.15

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1.5x scale

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.