Home / 38,510.13-53,144.14-21,047.81

Finding the Fourth Proportional to 38,510.13, 53,144.14 and 21,047.81

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Solution

The fourth proportional to 38,510.13, 53,144.14 and 21,047.81 is: 29,046.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,510.13 : 53,144.14 = 21,047.81 : x
  2. Step 2: Convert to fraction form
    38,510.13/53,144.14 = 21,047.81/x
  3. Step 3: Cross multiply
    38,510.13x = 53,144.14 × 21,047.81
  4. Step 4: Simplify right side
    38,510.13x = 1,118,567,628.47
  5. Step 5: Solve for x
    x = 1,118,567,628.47/38,510.13
  6. Step 6: Final answer
    x = 29,046.06

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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.