Home / 39,315.02-54,253.95-21,410.24

Finding the Fourth Proportional to 39,315.02, 54,253.95 and 21,410.24

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Solution

The fourth proportional to 39,315.02, 54,253.95 and 21,410.24 is: 29,545.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,315.02 : 54,253.95 = 21,410.24 : x
  2. Step 2: Convert to fraction form
    39,315.02/54,253.95 = 21,410.24/x
  3. Step 3: Cross multiply
    39,315.02x = 54,253.95 × 21,410.24
  4. Step 4: Simplify right side
    39,315.02x = 1,161,590,090.45
  5. Step 5: Solve for x
    x = 1,161,590,090.45/39,315.02
  6. Step 6: Final answer
    x = 29,545.71

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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.