Home / 37,547.28-51,809.76-31,568.40

Finding the Fourth Proportional to 37,547.28, 51,809.76 and 31,568.40

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Solution

The fourth proportional to 37,547.28, 51,809.76 and 31,568.40 is: 43,559.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,547.28 : 51,809.76 = 31,568.40 : x
  2. Step 2: Convert to fraction form
    37,547.28/51,809.76 = 31,568.40/x
  3. Step 3: Cross multiply
    37,547.28x = 51,809.76 × 31,568.40
  4. Step 4: Simplify right side
    37,547.28x = 1,635,551,227.58
  5. Step 5: Solve for x
    x = 1,635,551,227.58/37,547.28
  6. Step 6: Final answer
    x = 43,559.78

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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.