Home / 55,445.63-76,515.03-30,295.13

Finding the Fourth Proportional to 55,445.63, 76,515.03 and 30,295.13

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Solution

The fourth proportional to 55,445.63, 76,515.03 and 30,295.13 is: 41,807.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,445.63 : 76,515.03 = 30,295.13 : x
  2. Step 2: Convert to fraction form
    55,445.63/76,515.03 = 30,295.13/x
  3. Step 3: Cross multiply
    55,445.63x = 76,515.03 × 30,295.13
  4. Step 4: Simplify right side
    55,445.63x = 2,318,032,398.23
  5. Step 5: Solve for x
    x = 2,318,032,398.23/55,445.63
  6. Step 6: Final answer
    x = 41,807.31

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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.