Home / 56,048.48-77,347.76-30,554.86

Finding the Fourth Proportional to 56,048.48, 77,347.76 and 30,554.86

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Solution

The fourth proportional to 56,048.48, 77,347.76 and 30,554.86 is: 42,166.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,048.48 : 77,347.76 = 30,554.86 : x
  2. Step 2: Convert to fraction form
    56,048.48/77,347.76 = 30,554.86/x
  3. Step 3: Cross multiply
    56,048.48x = 77,347.76 × 30,554.86
  4. Step 4: Simplify right side
    56,048.48x = 2,363,349,978.11
  5. Step 5: Solve for x
    x = 2,363,349,978.11/56,048.48
  6. Step 6: Final answer
    x = 42,166.17

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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.