Home / 42,669.36-58,840.02-28,324.13

Finding the Fourth Proportional to 42,669.36, 58,840.02 and 28,324.13

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Solution

The fourth proportional to 42,669.36, 58,840.02 and 28,324.13 is: 39,058.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,669.36 : 58,840.02 = 28,324.13 : x
  2. Step 2: Convert to fraction form
    42,669.36/58,840.02 = 28,324.13/x
  3. Step 3: Cross multiply
    42,669.36x = 58,840.02 × 28,324.13
  4. Step 4: Simplify right side
    42,669.36x = 1,666,592,081.48
  5. Step 5: Solve for x
    x = 1,666,592,081.48/42,669.36
  6. Step 6: Final answer
    x = 39,058.29

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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.