Home / 30,678.02-46,008.13-11,953.88

Finding the Fourth Proportional to 30,678.02, 46,008.13 and 11,953.88

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Solution

The fourth proportional to 30,678.02, 46,008.13 and 11,953.88 is: 17,927.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,678.02 : 46,008.13 = 11,953.88 : x
  2. Step 2: Convert to fraction form
    30,678.02/46,008.13 = 11,953.88/x
  3. Step 3: Cross multiply
    30,678.02x = 46,008.13 × 11,953.88
  4. Step 4: Simplify right side
    30,678.02x = 549,975,665.04
  5. Step 5: Solve for x
    x = 549,975,665.04/30,678.02
  6. Step 6: Final answer
    x = 17,927.35

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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.