Home / 42,570.40-63,885.84-19,216.48

Finding the Fourth Proportional to 42,570.40, 63,885.84 and 19,216.48

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Solution

The fourth proportional to 42,570.40, 63,885.84 and 19,216.48 is: 28,838.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,570.40 : 63,885.84 = 19,216.48 : x
  2. Step 2: Convert to fraction form
    42,570.40/63,885.84 = 19,216.48/x
  3. Step 3: Cross multiply
    42,570.40x = 63,885.84 × 19,216.48
  4. Step 4: Simplify right side
    42,570.40x = 1,227,660,966.64
  5. Step 5: Solve for x
    x = 1,227,660,966.64/42,570.40
  6. Step 6: Final answer
    x = 28,838.37

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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.