Home / 30,770.80-46,156.16-7,397.24

Finding the Fourth Proportional to 30,770.80, 46,156.16 and 7,397.24

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Solution

The fourth proportional to 30,770.80, 46,156.16 and 7,397.24 is: 11,095.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,770.80 : 46,156.16 = 7,397.24 : x
  2. Step 2: Convert to fraction form
    30,770.80/46,156.16 = 7,397.24/x
  3. Step 3: Cross multiply
    30,770.80x = 46,156.16 × 7,397.24
  4. Step 4: Simplify right side
    30,770.80x = 341,427,980.71
  5. Step 5: Solve for x
    x = 341,427,980.71/30,770.80
  6. Step 6: Final answer
    x = 11,095.84

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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.