Home / 38,650.02-53,341.32-21,657.03

Finding the Fourth Proportional to 38,650.02, 53,341.32 and 21,657.03

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Solution

The fourth proportional to 38,650.02, 53,341.32 and 21,657.03 is: 29,889.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,650.02 : 53,341.32 = 21,657.03 : x
  2. Step 2: Convert to fraction form
    38,650.02/53,341.32 = 21,657.03/x
  3. Step 3: Cross multiply
    38,650.02x = 53,341.32 × 21,657.03
  4. Step 4: Simplify right side
    38,650.02x = 1,155,214,567.48
  5. Step 5: Solve for x
    x = 1,155,214,567.48/38,650.02
  6. Step 6: Final answer
    x = 29,889.11

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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.