Home / 30,903.99-42,625.74-29,875.22

Finding the Fourth Proportional to 30,903.99, 42,625.74 and 29,875.22

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Solution

The fourth proportional to 30,903.99, 42,625.74 and 29,875.22 is: 41,206.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,903.99 : 42,625.74 = 29,875.22 : x
  2. Step 2: Convert to fraction form
    30,903.99/42,625.74 = 29,875.22/x
  3. Step 3: Cross multiply
    30,903.99x = 42,625.74 × 29,875.22
  4. Step 4: Simplify right side
    30,903.99x = 1,273,453,360.16
  5. Step 5: Solve for x
    x = 1,273,453,360.16/30,903.99
  6. Step 6: Final answer
    x = 41,206.76

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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.