Home / 30,181.04-45,271.56-10,459.59

Finding the Fourth Proportional to 30,181.04, 45,271.56 and 10,459.59

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Solution

The fourth proportional to 30,181.04, 45,271.56 and 10,459.59 is: 15,689.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,181.04 : 45,271.56 = 10,459.59 : x
  2. Step 2: Convert to fraction form
    30,181.04/45,271.56 = 10,459.59/x
  3. Step 3: Cross multiply
    30,181.04x = 45,271.56 × 10,459.59
  4. Step 4: Simplify right side
    30,181.04x = 473,521,956.26
  5. Step 5: Solve for x
    x = 473,521,956.26/30,181.04
  6. Step 6: Final answer
    x = 15,689.39

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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.