Home / 39,313.08-54,253.02-21,409.06

Finding the Fourth Proportional to 39,313.08, 54,253.02 and 21,409.06

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Solution

The fourth proportional to 39,313.08, 54,253.02 and 21,409.06 is: 29,545.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,313.08 : 54,253.02 = 21,409.06 : x
  2. Step 2: Convert to fraction form
    39,313.08/54,253.02 = 21,409.06/x
  3. Step 3: Cross multiply
    39,313.08x = 54,253.02 × 21,409.06
  4. Step 4: Simplify right side
    39,313.08x = 1,161,506,160.36
  5. Step 5: Solve for x
    x = 1,161,506,160.36/39,313.08
  6. Step 6: Final answer
    x = 29,545.03

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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.