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Finding the Fourth Proportional to 55,801.56, 77,006.10 and 30,652.68

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Solution

The fourth proportional to 55,801.56, 77,006.10 and 30,652.68 is: 42,300.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,801.56 : 77,006.10 = 30,652.68 : x
  2. Step 2: Convert to fraction form
    55,801.56/77,006.10 = 30,652.68/x
  3. Step 3: Cross multiply
    55,801.56x = 77,006.10 × 30,652.68
  4. Step 4: Simplify right side
    55,801.56x = 2,360,443,341.35
  5. Step 5: Solve for x
    x = 2,360,443,341.35/55,801.56
  6. Step 6: Final answer
    x = 42,300.67

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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.