Home / 35,421.40-53,132.10-34,730.20

Finding the Fourth Proportional to 35,421.40, 53,132.10 and 34,730.20

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Solution

The fourth proportional to 35,421.40, 53,132.10 and 34,730.20 is: 52,095.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,421.40 : 53,132.10 = 34,730.20 : x
  2. Step 2: Convert to fraction form
    35,421.40/53,132.10 = 34,730.20/x
  3. Step 3: Cross multiply
    35,421.40x = 53,132.10 × 34,730.20
  4. Step 4: Simplify right side
    35,421.40x = 1,845,288,459.42
  5. Step 5: Solve for x
    x = 1,845,288,459.42/35,421.40
  6. Step 6: Final answer
    x = 52,095.30

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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.