Home / 42,434.04-63,554.16-20,263.08

Finding the Fourth Proportional to 42,434.04, 63,554.16 and 20,263.08

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Solution

The fourth proportional to 42,434.04, 63,554.16 and 20,263.08 is: 30,348.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,434.04 : 63,554.16 = 20,263.08 : x
  2. Step 2: Convert to fraction form
    42,434.04/63,554.16 = 20,263.08/x
  3. Step 3: Cross multiply
    42,434.04x = 63,554.16 × 20,263.08
  4. Step 4: Simplify right side
    42,434.04x = 1,287,803,028.41
  5. Step 5: Solve for x
    x = 1,287,803,028.41/42,434.04
  6. Step 6: Final answer
    x = 30,348.35

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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.