Home / 71,022.61-98,016.74-40,818.47

Finding the Fourth Proportional to 71,022.61, 98,016.74 and 40,818.47

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Solution

The fourth proportional to 71,022.61, 98,016.74 and 40,818.47 is: 56,332.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,022.61 : 98,016.74 = 40,818.47 : x
  2. Step 2: Convert to fraction form
    71,022.61/98,016.74 = 40,818.47/x
  3. Step 3: Cross multiply
    71,022.61x = 98,016.74 × 40,818.47
  4. Step 4: Simplify right side
    71,022.61x = 4,000,893,555.21
  5. Step 5: Solve for x
    x = 4,000,893,555.21/71,022.61
  6. Step 6: Final answer
    x = 56,332.67

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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.