Home / 56,048.27-77,346.11-30,897.77

Finding the Fourth Proportional to 56,048.27, 77,346.11 and 30,897.77

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Solution

The fourth proportional to 56,048.27, 77,346.11 and 30,897.77 is: 42,638.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,048.27 : 77,346.11 = 30,897.77 : x
  2. Step 2: Convert to fraction form
    56,048.27/77,346.11 = 30,897.77/x
  3. Step 3: Cross multiply
    56,048.27x = 77,346.11 × 30,897.77
  4. Step 4: Simplify right side
    56,048.27x = 2,389,822,162.69
  5. Step 5: Solve for x
    x = 2,389,822,162.69/56,048.27
  6. Step 6: Final answer
    x = 42,638.64

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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.