Home / 44,359.80-66,539.70-28,613.40

Finding the Fourth Proportional to 44,359.80, 66,539.70 and 28,613.40

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Solution

The fourth proportional to 44,359.80, 66,539.70 and 28,613.40 is: 42,920.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,359.80 : 66,539.70 = 28,613.40 : x
  2. Step 2: Convert to fraction form
    44,359.80/66,539.70 = 28,613.40/x
  3. Step 3: Cross multiply
    44,359.80x = 66,539.70 × 28,613.40
  4. Step 4: Simplify right side
    44,359.80x = 1,903,927,051.98
  5. Step 5: Solve for x
    x = 1,903,927,051.98/44,359.80
  6. Step 6: Final answer
    x = 42,920.10

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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.