Home / 30,875.63-42,577.14-27,461.86

Finding the Fourth Proportional to 30,875.63, 42,577.14 and 27,461.86

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Solution

The fourth proportional to 30,875.63, 42,577.14 and 27,461.86 is: 37,869.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,875.63 : 42,577.14 = 27,461.86 : x
  2. Step 2: Convert to fraction form
    30,875.63/42,577.14 = 27,461.86/x
  3. Step 3: Cross multiply
    30,875.63x = 42,577.14 × 27,461.86
  4. Step 4: Simplify right side
    30,875.63x = 1,169,247,457.88
  5. Step 5: Solve for x
    x = 1,169,247,457.88/30,875.63
  6. Step 6: Final answer
    x = 37,869.59

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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.