Home / 60,915.36-91,381.63-18,798.87

Finding the Fourth Proportional to 60,915.36, 91,381.63 and 18,798.87

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Solution

The fourth proportional to 60,915.36, 91,381.63 and 18,798.87 is: 28,200.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,915.36 : 91,381.63 = 18,798.87 : x
  2. Step 2: Convert to fraction form
    60,915.36/91,381.63 = 18,798.87/x
  3. Step 3: Cross multiply
    60,915.36x = 91,381.63 × 18,798.87
  4. Step 4: Simplify right side
    60,915.36x = 1,717,871,382.76
  5. Step 5: Solve for x
    x = 1,717,871,382.76/60,915.36
  6. Step 6: Final answer
    x = 28,200.96

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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.