Home / 38,048.65-57,080.76-13,085.45

Finding the Fourth Proportional to 38,048.65, 57,080.76 and 13,085.45

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Solution

The fourth proportional to 38,048.65, 57,080.76 and 13,085.45 is: 19,630.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,048.65 : 57,080.76 = 13,085.45 : x
  2. Step 2: Convert to fraction form
    38,048.65/57,080.76 = 13,085.45/x
  3. Step 3: Cross multiply
    38,048.65x = 57,080.76 × 13,085.45
  4. Step 4: Simplify right side
    38,048.65x = 746,927,430.94
  5. Step 5: Solve for x
    x = 746,927,430.94/38,048.65
  6. Step 6: Final answer
    x = 19,630.85

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1.5x scale

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.