Home / 70,320.20-97,038.12-38,482.94

Finding the Fourth Proportional to 70,320.20, 97,038.12 and 38,482.94

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Solution

The fourth proportional to 70,320.20, 97,038.12 and 38,482.94 is: 53,104.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,320.20 : 97,038.12 = 38,482.94 : x
  2. Step 2: Convert to fraction form
    70,320.20/97,038.12 = 38,482.94/x
  3. Step 3: Cross multiply
    70,320.20x = 97,038.12 × 38,482.94
  4. Step 4: Simplify right side
    70,320.20x = 3,734,312,149.67
  5. Step 5: Solve for x
    x = 3,734,312,149.67/70,320.20
  6. Step 6: Final answer
    x = 53,104.40

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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.