Home / 67,888.40-93,686.52-37,675.76

Finding the Fourth Proportional to 67,888.40, 93,686.52 and 37,675.76

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Solution

The fourth proportional to 67,888.40, 93,686.52 and 37,675.76 is: 51,992.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,888.40 : 93,686.52 = 37,675.76 : x
  2. Step 2: Convert to fraction form
    67,888.40/93,686.52 = 37,675.76/x
  3. Step 3: Cross multiply
    67,888.40x = 93,686.52 × 37,675.76
  4. Step 4: Simplify right side
    67,888.40x = 3,529,710,842.76
  5. Step 5: Solve for x
    x = 3,529,710,842.76/67,888.40
  6. Step 6: Final answer
    x = 51,992.84

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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.