Home / 63,421.41-87,580.37-47,478.18

Finding the Fourth Proportional to 63,421.41, 87,580.37 and 47,478.18

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Solution

The fourth proportional to 63,421.41, 87,580.37 and 47,478.18 is: 65,563.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,421.41 : 87,580.37 = 47,478.18 : x
  2. Step 2: Convert to fraction form
    63,421.41/87,580.37 = 47,478.18/x
  3. Step 3: Cross multiply
    63,421.41x = 87,580.37 × 47,478.18
  4. Step 4: Simplify right side
    63,421.41x = 4,158,156,571.33
  5. Step 5: Solve for x
    x = 4,158,156,571.33/63,421.41
  6. Step 6: Final answer
    x = 65,563.93

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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.