Home / 58,091.40-87,085.54-20,646.52

Finding the Fourth Proportional to 58,091.40, 87,085.54 and 20,646.52

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Solution

The fourth proportional to 58,091.40, 87,085.54 and 20,646.52 is: 30,951.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,091.40 : 87,085.54 = 20,646.52 : x
  2. Step 2: Convert to fraction form
    58,091.40/87,085.54 = 20,646.52/x
  3. Step 3: Cross multiply
    58,091.40x = 87,085.54 × 20,646.52
  4. Step 4: Simplify right side
    58,091.40x = 1,798,013,343.32
  5. Step 5: Solve for x
    x = 1,798,013,343.32/58,091.40
  6. Step 6: Final answer
    x = 30,951.45

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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.