Home / 45,569.47-62,878.32-30,437.86

Finding the Fourth Proportional to 45,569.47, 62,878.32 and 30,437.86

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Solution

The fourth proportional to 45,569.47, 62,878.32 and 30,437.86 is: 41,999.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,569.47 : 62,878.32 = 30,437.86 : x
  2. Step 2: Convert to fraction form
    45,569.47/62,878.32 = 30,437.86/x
  3. Step 3: Cross multiply
    45,569.47x = 62,878.32 × 30,437.86
  4. Step 4: Simplify right side
    45,569.47x = 1,913,881,344.00
  5. Step 5: Solve for x
    x = 1,913,881,344.00/45,569.47
  6. Step 6: Final answer
    x = 41,999.20

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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.