Home / 45,645.56-63,008.45-40,857.06

Finding the Fourth Proportional to 45,645.56, 63,008.45 and 40,857.06

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Solution

The fourth proportional to 45,645.56, 63,008.45 and 40,857.06 is: 56,398.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,645.56 : 63,008.45 = 40,857.06 : x
  2. Step 2: Convert to fraction form
    45,645.56/63,008.45 = 40,857.06/x
  3. Step 3: Cross multiply
    45,645.56x = 63,008.45 × 40,857.06
  4. Step 4: Simplify right side
    45,645.56x = 2,574,339,888.02
  5. Step 5: Solve for x
    x = 2,574,339,888.02/45,645.56
  6. Step 6: Final answer
    x = 56,398.47

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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.