Home / 53,552.10-73,885.02-30,888.06

Finding the Fourth Proportional to 53,552.10, 73,885.02 and 30,888.06

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Solution

The fourth proportional to 53,552.10, 73,885.02 and 30,888.06 is: 42,615.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,552.10 : 73,885.02 = 30,888.06 : x
  2. Step 2: Convert to fraction form
    53,552.10/73,885.02 = 30,888.06/x
  3. Step 3: Cross multiply
    53,552.10x = 73,885.02 × 30,888.06
  4. Step 4: Simplify right side
    53,552.10x = 2,282,164,537.96
  5. Step 5: Solve for x
    x = 2,282,164,537.96/53,552.10
  6. Step 6: Final answer
    x = 42,615.78

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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.