Home / 30,547.08-45,820.59-8,360.64

Finding the Fourth Proportional to 30,547.08, 45,820.59 and 8,360.64

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Solution

The fourth proportional to 30,547.08, 45,820.59 and 8,360.64 is: 12,540.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,547.08 : 45,820.59 = 8,360.64 : x
  2. Step 2: Convert to fraction form
    30,547.08/45,820.59 = 8,360.64/x
  3. Step 3: Cross multiply
    30,547.08x = 45,820.59 × 8,360.64
  4. Step 4: Simplify right side
    30,547.08x = 383,089,426.23
  5. Step 5: Solve for x
    x = 383,089,426.23/30,547.08
  6. Step 6: Final answer
    x = 12,540.95

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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.