Home / 40,242.69-60,376.40-19,209.57

Finding the Fourth Proportional to 40,242.69, 60,376.40 and 19,209.57

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Solution

The fourth proportional to 40,242.69, 60,376.40 and 19,209.57 is: 28,820.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,242.69 : 60,376.40 = 19,209.57 : x
  2. Step 2: Convert to fraction form
    40,242.69/60,376.40 = 19,209.57/x
  3. Step 3: Cross multiply
    40,242.69x = 60,376.40 × 19,209.57
  4. Step 4: Simplify right side
    40,242.69x = 1,159,804,586.10
  5. Step 5: Solve for x
    x = 1,159,804,586.10/40,242.69
  6. Step 6: Final answer
    x = 28,820.25

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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.