Home / 30,275.51-45,407.88-9,210.44

Finding the Fourth Proportional to 30,275.51, 45,407.88 and 9,210.44

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Solution

The fourth proportional to 30,275.51, 45,407.88 and 9,210.44 is: 13,814.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,275.51 : 45,407.88 = 9,210.44 : x
  2. Step 2: Convert to fraction form
    30,275.51/45,407.88 = 9,210.44/x
  3. Step 3: Cross multiply
    30,275.51x = 45,407.88 × 9,210.44
  4. Step 4: Simplify right side
    30,275.51x = 418,226,327.23
  5. Step 5: Solve for x
    x = 418,226,327.23/30,275.51
  6. Step 6: Final answer
    x = 13,814.02

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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.