Home / 57,088.64-78,783.36-31,937.60

Finding the Fourth Proportional to 57,088.64, 78,783.36 and 31,937.60

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Solution

The fourth proportional to 57,088.64, 78,783.36 and 31,937.60 is: 44,074.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,088.64 : 78,783.36 = 31,937.60 : x
  2. Step 2: Convert to fraction form
    57,088.64/78,783.36 = 31,937.60/x
  3. Step 3: Cross multiply
    57,088.64x = 78,783.36 × 31,937.60
  4. Step 4: Simplify right side
    57,088.64x = 2,516,151,438.34
  5. Step 5: Solve for x
    x = 2,516,151,438.34/57,088.64
  6. Step 6: Final answer
    x = 44,074.47

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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.