Home / 45,663.55-63,023.04-28,670.22

Finding the Fourth Proportional to 45,663.55, 63,023.04 and 28,670.22

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Solution

The fourth proportional to 45,663.55, 63,023.04 and 28,670.22 is: 39,569.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,663.55 : 63,023.04 = 28,670.22 : x
  2. Step 2: Convert to fraction form
    45,663.55/63,023.04 = 28,670.22/x
  3. Step 3: Cross multiply
    45,663.55x = 63,023.04 × 28,670.22
  4. Step 4: Simplify right side
    45,663.55x = 1,806,884,421.87
  5. Step 5: Solve for x
    x = 1,806,884,421.87/45,663.55
  6. Step 6: Final answer
    x = 39,569.51

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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.