Home / 38,220.98-52,746.26-21,225.51

Finding the Fourth Proportional to 38,220.98, 52,746.26 and 21,225.51

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Solution

The fourth proportional to 38,220.98, 52,746.26 and 21,225.51 is: 29,291.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,220.98 : 52,746.26 = 21,225.51 : x
  2. Step 2: Convert to fraction form
    38,220.98/52,746.26 = 21,225.51/x
  3. Step 3: Cross multiply
    38,220.98x = 52,746.26 × 21,225.51
  4. Step 4: Simplify right side
    38,220.98x = 1,119,566,162.97
  5. Step 5: Solve for x
    x = 1,119,566,162.97/38,220.98
  6. Step 6: Final answer
    x = 29,291.93

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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.