Home / 35,418.06-53,131.95-12,038.22

Finding the Fourth Proportional to 35,418.06, 53,131.95 and 12,038.22

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Solution

The fourth proportional to 35,418.06, 53,131.95 and 12,038.22 is: 18,058.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,418.06 : 53,131.95 = 12,038.22 : x
  2. Step 2: Convert to fraction form
    35,418.06/53,131.95 = 12,038.22/x
  3. Step 3: Cross multiply
    35,418.06x = 53,131.95 × 12,038.22
  4. Step 4: Simplify right side
    35,418.06x = 639,614,103.13
  5. Step 5: Solve for x
    x = 639,614,103.13/35,418.06
  6. Step 6: Final answer
    x = 18,058.98

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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.