Home / 35,638.60-49,186.47-20,528.32

Finding the Fourth Proportional to 35,638.60, 49,186.47 and 20,528.32

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Solution

The fourth proportional to 35,638.60, 49,186.47 and 20,528.32 is: 28,332.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,638.60 : 49,186.47 = 20,528.32 : x
  2. Step 2: Convert to fraction form
    35,638.60/49,186.47 = 20,528.32/x
  3. Step 3: Cross multiply
    35,638.60x = 49,186.47 × 20,528.32
  4. Step 4: Simplify right side
    35,638.60x = 1,009,715,595.83
  5. Step 5: Solve for x
    x = 1,009,715,595.83/35,638.60
  6. Step 6: Final answer
    x = 28,332.08

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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.