Home / 42,152.16-63,258.27-19,970.44

Finding the Fourth Proportional to 42,152.16, 63,258.27 and 19,970.44

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Solution

The fourth proportional to 42,152.16, 63,258.27 and 19,970.44 is: 29,969.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,152.16 : 63,258.27 = 19,970.44 : x
  2. Step 2: Convert to fraction form
    42,152.16/63,258.27 = 19,970.44/x
  3. Step 3: Cross multiply
    42,152.16x = 63,258.27 × 19,970.44
  4. Step 4: Simplify right side
    42,152.16x = 1,263,295,485.54
  5. Step 5: Solve for x
    x = 1,263,295,485.54/42,152.16
  6. Step 6: Final answer
    x = 29,969.89

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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.