Home / 70,818.91-97,730.75-38,988.34

Finding the Fourth Proportional to 70,818.91, 97,730.75 and 38,988.34

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Solution

The fourth proportional to 70,818.91, 97,730.75 and 38,988.34 is: 53,804.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,818.91 : 97,730.75 = 38,988.34 : x
  2. Step 2: Convert to fraction form
    70,818.91/97,730.75 = 38,988.34/x
  3. Step 3: Cross multiply
    70,818.91x = 97,730.75 × 38,988.34
  4. Step 4: Simplify right side
    70,818.91x = 3,810,359,709.46
  5. Step 5: Solve for x
    x = 3,810,359,709.46/70,818.91
  6. Step 6: Final answer
    x = 53,804.27

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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.