Home / 38,220.02-52,741.86-21,225.35

Finding the Fourth Proportional to 38,220.02, 52,741.86 and 21,225.35

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Solution

The fourth proportional to 38,220.02, 52,741.86 and 21,225.35 is: 29,290.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,220.02 : 52,741.86 = 21,225.35 : x
  2. Step 2: Convert to fraction form
    38,220.02/52,741.86 = 21,225.35/x
  3. Step 3: Cross multiply
    38,220.02x = 52,741.86 × 21,225.35
  4. Step 4: Simplify right side
    38,220.02x = 1,119,464,438.15
  5. Step 5: Solve for x
    x = 1,119,464,438.15/38,220.02
  6. Step 6: Final answer
    x = 29,290.00

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Double scale
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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.