Home / 42,368.84-63,533.52-15,713.76

Finding the Fourth Proportional to 42,368.84, 63,533.52 and 15,713.76

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Solution

The fourth proportional to 42,368.84, 63,533.52 and 15,713.76 is: 23,563.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,368.84 : 63,533.52 = 15,713.76 : x
  2. Step 2: Convert to fraction form
    42,368.84/63,533.52 = 15,713.76/x
  3. Step 3: Cross multiply
    42,368.84x = 63,533.52 × 15,713.76
  4. Step 4: Simplify right side
    42,368.84x = 998,350,485.24
  5. Step 5: Solve for x
    x = 998,350,485.24/42,368.84
  6. Step 6: Final answer
    x = 23,563.32

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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.