Home / 35,501.52-53,279.80-13,335.06

Finding the Fourth Proportional to 35,501.52, 53,279.80 and 13,335.06

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Solution

The fourth proportional to 35,501.52, 53,279.80 and 13,335.06 is: 20,012.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,501.52 : 53,279.80 = 13,335.06 : x
  2. Step 2: Convert to fraction form
    35,501.52/53,279.80 = 13,335.06/x
  3. Step 3: Cross multiply
    35,501.52x = 53,279.80 × 13,335.06
  4. Step 4: Simplify right side
    35,501.52x = 710,489,329.79
  5. Step 5: Solve for x
    x = 710,489,329.79/35,501.52
  6. Step 6: Final answer
    x = 20,012.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.