Home / 66,547.46-91,831.56-38,253.18

Finding the Fourth Proportional to 66,547.46, 91,831.56 and 38,253.18

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Solution

The fourth proportional to 66,547.46, 91,831.56 and 38,253.18 is: 52,787.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,547.46 : 91,831.56 = 38,253.18 : x
  2. Step 2: Convert to fraction form
    66,547.46/91,831.56 = 38,253.18/x
  3. Step 3: Cross multiply
    66,547.46x = 91,831.56 × 38,253.18
  4. Step 4: Simplify right side
    66,547.46x = 3,512,849,194.36
  5. Step 5: Solve for x
    x = 3,512,849,194.36/66,547.46
  6. Step 6: Final answer
    x = 52,787.13

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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.