Home / 42,290.12-63,436.21-14,210.58

Finding the Fourth Proportional to 42,290.12, 63,436.21 and 14,210.58

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Solution

The fourth proportional to 42,290.12, 63,436.21 and 14,210.58 is: 21,316.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,290.12 : 63,436.21 = 14,210.58 : x
  2. Step 2: Convert to fraction form
    42,290.12/63,436.21 = 14,210.58/x
  3. Step 3: Cross multiply
    42,290.12x = 63,436.21 × 14,210.58
  4. Step 4: Simplify right side
    42,290.12x = 901,465,619.40
  5. Step 5: Solve for x
    x = 901,465,619.40/42,290.12
  6. Step 6: Final answer
    x = 21,316.22

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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.