Home / 38,831.32-58,264.26-20,359

Finding the Fourth Proportional to 38,831.32, 58,264.26 and 20,359

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Solution

The fourth proportional to 38,831.32, 58,264.26 and 20,359 is: 30,547.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,831.32 : 58,264.26 = 20,359 : x
  2. Step 2: Convert to fraction form
    38,831.32/58,264.26 = 20,359/x
  3. Step 3: Cross multiply
    38,831.32x = 58,264.26 × 20,359
  4. Step 4: Simplify right side
    38,831.32x = 1,186,202,069.34
  5. Step 5: Solve for x
    x = 1,186,202,069.34/38,831.32
  6. Step 6: Final answer
    x = 30,547.56

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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.