Home / 42,145.71-63,227.67-22,421.40

Finding the Fourth Proportional to 42,145.71, 63,227.67 and 22,421.40

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Solution

The fourth proportional to 42,145.71, 63,227.67 and 22,421.40 is: 33,636.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,145.71 : 63,227.67 = 22,421.40 : x
  2. Step 2: Convert to fraction form
    42,145.71/63,227.67 = 22,421.40/x
  3. Step 3: Cross multiply
    42,145.71x = 63,227.67 × 22,421.40
  4. Step 4: Simplify right side
    42,145.71x = 1,417,652,880.14
  5. Step 5: Solve for x
    x = 1,417,652,880.14/42,145.71
  6. Step 6: Final answer
    x = 33,636.94

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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.