Home / 34,470.80-47,574.18-21,039.26

Finding the Fourth Proportional to 34,470.80, 47,574.18 and 21,039.26

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Solution

The fourth proportional to 34,470.80, 47,574.18 and 21,039.26 is: 29,036.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,470.80 : 47,574.18 = 21,039.26 : x
  2. Step 2: Convert to fraction form
    34,470.80/47,574.18 = 21,039.26/x
  3. Step 3: Cross multiply
    34,470.80x = 47,574.18 × 21,039.26
  4. Step 4: Simplify right side
    34,470.80x = 1,000,925,542.31
  5. Step 5: Solve for x
    x = 1,000,925,542.31/34,470.80
  6. Step 6: Final answer
    x = 29,036.91

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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.