Home / 67,450.95-93,085.34-38,779.90

Finding the Fourth Proportional to 67,450.95, 93,085.34 and 38,779.90

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Solution

The fourth proportional to 67,450.95, 93,085.34 and 38,779.90 is: 53,518.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,450.95 : 93,085.34 = 38,779.90 : x
  2. Step 2: Convert to fraction form
    67,450.95/93,085.34 = 38,779.90/x
  3. Step 3: Cross multiply
    67,450.95x = 93,085.34 × 38,779.90
  4. Step 4: Simplify right side
    67,450.95x = 3,609,839,750.05
  5. Step 5: Solve for x
    x = 3,609,839,750.05/67,450.95
  6. Step 6: Final answer
    x = 53,518.00

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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.