Home / 40,717.98-61,074.08-12,637.35

Finding the Fourth Proportional to 40,717.98, 61,074.08 and 12,637.35

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Solution

The fourth proportional to 40,717.98, 61,074.08 and 12,637.35 is: 18,955.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,717.98 : 61,074.08 = 12,637.35 : x
  2. Step 2: Convert to fraction form
    40,717.98/61,074.08 = 12,637.35/x
  3. Step 3: Cross multiply
    40,717.98x = 61,074.08 × 12,637.35
  4. Step 4: Simplify right side
    40,717.98x = 771,814,461.70
  5. Step 5: Solve for x
    x = 771,814,461.70/40,717.98
  6. Step 6: Final answer
    x = 18,955.13

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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.