Home / 35,087.28-48,421.08-19,172.40

Finding the Fourth Proportional to 35,087.28, 48,421.08 and 19,172.40

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Solution

The fourth proportional to 35,087.28, 48,421.08 and 19,172.40 is: 26,458.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,087.28 : 48,421.08 = 19,172.40 : x
  2. Step 2: Convert to fraction form
    35,087.28/48,421.08 = 19,172.40/x
  3. Step 3: Cross multiply
    35,087.28x = 48,421.08 × 19,172.40
  4. Step 4: Simplify right side
    35,087.28x = 928,348,314.19
  5. Step 5: Solve for x
    x = 928,348,314.19/35,087.28
  6. Step 6: Final answer
    x = 26,458.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.