Home / 31,058.40-46,587.60-28,652.70

Finding the Fourth Proportional to 31,058.40, 46,587.60 and 28,652.70

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Solution

The fourth proportional to 31,058.40, 46,587.60 and 28,652.70 is: 42,979.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,058.40 : 46,587.60 = 28,652.70 : x
  2. Step 2: Convert to fraction form
    31,058.40/46,587.60 = 28,652.70/x
  3. Step 3: Cross multiply
    31,058.40x = 46,587.60 × 28,652.70
  4. Step 4: Simplify right side
    31,058.40x = 1,334,860,526.52
  5. Step 5: Solve for x
    x = 1,334,860,526.52/31,058.40
  6. Step 6: Final answer
    x = 42,979.05

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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.