Home / 74,963.10-112,444.65-19,559.10

Finding the Fourth Proportional to 74,963.10, 112,444.65 and 19,559.10

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Solution

The fourth proportional to 74,963.10, 112,444.65 and 19,559.10 is: 29,338.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,963.10 : 112,444.65 = 19,559.10 : x
  2. Step 2: Convert to fraction form
    74,963.10/112,444.65 = 19,559.10/x
  3. Step 3: Cross multiply
    74,963.10x = 112,444.65 × 19,559.10
  4. Step 4: Simplify right side
    74,963.10x = 2,199,316,153.82
  5. Step 5: Solve for x
    x = 2,199,316,153.82/74,963.10
  6. Step 6: Final answer
    x = 29,338.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.