Home / 53,988.07-74,503.65-30,114.13

Finding the Fourth Proportional to 53,988.07, 74,503.65 and 30,114.13

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Solution

The fourth proportional to 53,988.07, 74,503.65 and 30,114.13 is: 41,557.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,988.07 : 74,503.65 = 30,114.13 : x
  2. Step 2: Convert to fraction form
    53,988.07/74,503.65 = 30,114.13/x
  3. Step 3: Cross multiply
    53,988.07x = 74,503.65 × 30,114.13
  4. Step 4: Simplify right side
    53,988.07x = 2,243,612,601.57
  5. Step 5: Solve for x
    x = 2,243,612,601.57/53,988.07
  6. Step 6: Final answer
    x = 41,557.56

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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.