Home / 65,543.36-90,453.84-37,254.56

Finding the Fourth Proportional to 65,543.36, 90,453.84 and 37,254.56

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Solution

The fourth proportional to 65,543.36, 90,453.84 and 37,254.56 is: 51,413.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,543.36 : 90,453.84 = 37,254.56 : x
  2. Step 2: Convert to fraction form
    65,543.36/90,453.84 = 37,254.56/x
  3. Step 3: Cross multiply
    65,543.36x = 90,453.84 × 37,254.56
  4. Step 4: Simplify right side
    65,543.36x = 3,369,818,009.51
  5. Step 5: Solve for x
    x = 3,369,818,009.51/65,543.36
  6. Step 6: Final answer
    x = 51,413.57

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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.