Home / 47,259.22-65,203.74-28,123.66

Finding the Fourth Proportional to 47,259.22, 65,203.74 and 28,123.66

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Solution

The fourth proportional to 47,259.22, 65,203.74 and 28,123.66 is: 38,802.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,259.22 : 65,203.74 = 28,123.66 : x
  2. Step 2: Convert to fraction form
    47,259.22/65,203.74 = 28,123.66/x
  3. Step 3: Cross multiply
    47,259.22x = 65,203.74 × 28,123.66
  4. Step 4: Simplify right side
    47,259.22x = 1,833,767,814.49
  5. Step 5: Solve for x
    x = 1,833,767,814.49/47,259.22
  6. Step 6: Final answer
    x = 38,802.33

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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.