Home / 37,397.07-56,119.95-19,879.20

Finding the Fourth Proportional to 37,397.07, 56,119.95 and 19,879.20

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Solution

The fourth proportional to 37,397.07, 56,119.95 and 19,879.20 is: 29,831.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,397.07 : 56,119.95 = 19,879.20 : x
  2. Step 2: Convert to fraction form
    37,397.07/56,119.95 = 19,879.20/x
  3. Step 3: Cross multiply
    37,397.07x = 56,119.95 × 19,879.20
  4. Step 4: Simplify right side
    37,397.07x = 1,115,619,710.04
  5. Step 5: Solve for x
    x = 1,115,619,710.04/37,397.07
  6. Step 6: Final answer
    x = 29,831.74

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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.