Home / 39,000.48-53,820.66-21,095.47

Finding the Fourth Proportional to 39,000.48, 53,820.66 and 21,095.47

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Solution

The fourth proportional to 39,000.48, 53,820.66 and 21,095.47 is: 29,111.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,000.48 : 53,820.66 = 21,095.47 : x
  2. Step 2: Convert to fraction form
    39,000.48/53,820.66 = 21,095.47/x
  3. Step 3: Cross multiply
    39,000.48x = 53,820.66 × 21,095.47
  4. Step 4: Simplify right side
    39,000.48x = 1,135,372,118.41
  5. Step 5: Solve for x
    x = 1,135,372,118.41/39,000.48
  6. Step 6: Final answer
    x = 29,111.75

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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.