Home / 30,340.98-45,465.30-15,527.70

Finding the Fourth Proportional to 30,340.98, 45,465.30 and 15,527.70

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Solution

The fourth proportional to 30,340.98, 45,465.30 and 15,527.70 is: 23,267.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,340.98 : 45,465.30 = 15,527.70 : x
  2. Step 2: Convert to fraction form
    30,340.98/45,465.30 = 15,527.70/x
  3. Step 3: Cross multiply
    30,340.98x = 45,465.30 × 15,527.70
  4. Step 4: Simplify right side
    30,340.98x = 705,971,538.81
  5. Step 5: Solve for x
    x = 705,971,538.81/30,340.98
  6. Step 6: Final answer
    x = 23,267.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.