Home / 70,639.24-97,482.36-38,808.76

Finding the Fourth Proportional to 70,639.24, 97,482.36 and 38,808.76

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Solution

The fourth proportional to 70,639.24, 97,482.36 and 38,808.76 is: 53,556.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,639.24 : 97,482.36 = 38,808.76 : x
  2. Step 2: Convert to fraction form
    70,639.24/97,482.36 = 38,808.76/x
  3. Step 3: Cross multiply
    70,639.24x = 97,482.36 × 38,808.76
  4. Step 4: Simplify right side
    70,639.24x = 3,783,169,513.47
  5. Step 5: Solve for x
    x = 3,783,169,513.47/70,639.24
  6. Step 6: Final answer
    x = 53,556.20

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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.