Home / 70,641.20-97,488.16-38,813.06

Finding the Fourth Proportional to 70,641.20, 97,488.16 and 38,813.06

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Solution

The fourth proportional to 70,641.20, 97,488.16 and 38,813.06 is: 53,563.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,641.20 : 97,488.16 = 38,813.06 : x
  2. Step 2: Convert to fraction form
    70,641.20/97,488.16 = 38,813.06/x
  3. Step 3: Cross multiply
    70,641.20x = 97,488.16 × 38,813.06
  4. Step 4: Simplify right side
    70,641.20x = 3,783,813,803.37
  5. Step 5: Solve for x
    x = 3,783,813,803.37/70,641.20
  6. Step 6: Final answer
    x = 53,563.84

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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.