Home / 42,871.23-64,245.60-24,111.90

Finding the Fourth Proportional to 42,871.23, 64,245.60 and 24,111.90

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Solution

The fourth proportional to 42,871.23, 64,245.60 and 24,111.90 is: 36,133.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,871.23 : 64,245.60 = 24,111.90 : x
  2. Step 2: Convert to fraction form
    42,871.23/64,245.60 = 24,111.90/x
  3. Step 3: Cross multiply
    42,871.23x = 64,245.60 × 24,111.90
  4. Step 4: Simplify right side
    42,871.23x = 1,549,083,482.64
  5. Step 5: Solve for x
    x = 1,549,083,482.64/42,871.23
  6. Step 6: Final answer
    x = 36,133.40

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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.