Home / 50,442.81-69,549.40-31,547.13

Finding the Fourth Proportional to 50,442.81, 69,549.40 and 31,547.13

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Solution

The fourth proportional to 50,442.81, 69,549.40 and 31,547.13 is: 43,496.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,442.81 : 69,549.40 = 31,547.13 : x
  2. Step 2: Convert to fraction form
    50,442.81/69,549.40 = 31,547.13/x
  3. Step 3: Cross multiply
    50,442.81x = 69,549.40 × 31,547.13
  4. Step 4: Simplify right side
    50,442.81x = 2,194,083,963.22
  5. Step 5: Solve for x
    x = 2,194,083,963.22/50,442.81
  6. Step 6: Final answer
    x = 43,496.47

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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.