Home / 30,457.28-45,684.29-9,679.16

Finding the Fourth Proportional to 30,457.28, 45,684.29 and 9,679.16

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Solution

The fourth proportional to 30,457.28, 45,684.29 and 9,679.16 is: 14,518.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,457.28 : 45,684.29 = 9,679.16 : x
  2. Step 2: Convert to fraction form
    30,457.28/45,684.29 = 9,679.16/x
  3. Step 3: Cross multiply
    30,457.28x = 45,684.29 × 9,679.16
  4. Step 4: Simplify right side
    30,457.28x = 442,185,275.58
  5. Step 5: Solve for x
    x = 442,185,275.58/30,457.28
  6. Step 6: Final answer
    x = 14,518.22

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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.