Home / 38,820-53,580.24-24,670.08

Finding the Fourth Proportional to 38,820, 53,580.24 and 24,670.08

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Solution

The fourth proportional to 38,820, 53,580.24 and 24,670.08 is: 34,050.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,820 : 53,580.24 = 24,670.08 : x
  2. Step 2: Convert to fraction form
    38,820/53,580.24 = 24,670.08/x
  3. Step 3: Cross multiply
    38,820x = 53,580.24 × 24,670.08
  4. Step 4: Simplify right side
    38,820x = 1,321,828,807.22
  5. Step 5: Solve for x
    x = 1,321,828,807.22/38,820
  6. Step 6: Final answer
    x = 34,050.20

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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.