Home / 70,779.24-97,675.32-38,947.50

Finding the Fourth Proportional to 70,779.24, 97,675.32 and 38,947.50

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Solution

The fourth proportional to 70,779.24, 97,675.32 and 38,947.50 is: 53,747.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,779.24 : 97,675.32 = 38,947.50 : x
  2. Step 2: Convert to fraction form
    70,779.24/97,675.32 = 38,947.50/x
  3. Step 3: Cross multiply
    70,779.24x = 97,675.32 × 38,947.50
  4. Step 4: Simplify right side
    70,779.24x = 3,804,209,525.70
  5. Step 5: Solve for x
    x = 3,804,209,525.70/70,779.24
  6. Step 6: Final answer
    x = 53,747.53

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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.