Home / 30,275.95-45,384.47-14,476.88

Finding the Fourth Proportional to 30,275.95, 45,384.47 and 14,476.88

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Solution

The fourth proportional to 30,275.95, 45,384.47 and 14,476.88 is: 21,701.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,275.95 : 45,384.47 = 14,476.88 : x
  2. Step 2: Convert to fraction form
    30,275.95/45,384.47 = 14,476.88/x
  3. Step 3: Cross multiply
    30,275.95x = 45,384.47 × 14,476.88
  4. Step 4: Simplify right side
    30,275.95x = 657,025,621.42
  5. Step 5: Solve for x
    x = 657,025,621.42/30,275.95
  6. Step 6: Final answer
    x = 21,701.24

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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.