Home / 40,547.31-55,955.17-22,642.32

Finding the Fourth Proportional to 40,547.31, 55,955.17 and 22,642.32

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Solution

The fourth proportional to 40,547.31, 55,955.17 and 22,642.32 is: 31,246.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,547.31 : 55,955.17 = 22,642.32 : x
  2. Step 2: Convert to fraction form
    40,547.31/55,955.17 = 22,642.32/x
  3. Step 3: Cross multiply
    40,547.31x = 55,955.17 × 22,642.32
  4. Step 4: Simplify right side
    40,547.31x = 1,266,954,864.79
  5. Step 5: Solve for x
    x = 1,266,954,864.79/40,547.31
  6. Step 6: Final answer
    x = 31,246.34

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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.