Home / 40,903.12-61,235.64-30,558.16

Finding the Fourth Proportional to 40,903.12, 61,235.64 and 30,558.16

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Solution

The fourth proportional to 40,903.12, 61,235.64 and 30,558.16 is: 45,748.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,903.12 : 61,235.64 = 30,558.16 : x
  2. Step 2: Convert to fraction form
    40,903.12/61,235.64 = 30,558.16/x
  3. Step 3: Cross multiply
    40,903.12x = 61,235.64 × 30,558.16
  4. Step 4: Simplify right side
    40,903.12x = 1,871,248,484.82
  5. Step 5: Solve for x
    x = 1,871,248,484.82/40,903.12
  6. Step 6: Final answer
    x = 45,748.31

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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.