Home / 64,800.13-89,413.36-36,113.53

Finding the Fourth Proportional to 64,800.13, 89,413.36 and 36,113.53

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Solution

The fourth proportional to 64,800.13, 89,413.36 and 36,113.53 is: 49,830.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,800.13 : 89,413.36 = 36,113.53 : x
  2. Step 2: Convert to fraction form
    64,800.13/89,413.36 = 36,113.53/x
  3. Step 3: Cross multiply
    64,800.13x = 89,413.36 × 36,113.53
  4. Step 4: Simplify right side
    64,800.13x = 3,229,032,058.76
  5. Step 5: Solve for x
    x = 3,229,032,058.76/64,800.13
  6. Step 6: Final answer
    x = 49,830.64

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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.