Home / 40,875.36-56,409-22,969.29

Finding the Fourth Proportional to 40,875.36, 56,409 and 22,969.29

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Solution

The fourth proportional to 40,875.36, 56,409 and 22,969.29 is: 31,698.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,875.36 : 56,409 = 22,969.29 : x
  2. Step 2: Convert to fraction form
    40,875.36/56,409 = 22,969.29/x
  3. Step 3: Cross multiply
    40,875.36x = 56,409 × 22,969.29
  4. Step 4: Simplify right side
    40,875.36x = 1,295,674,679.61
  5. Step 5: Solve for x
    x = 1,295,674,679.61/40,875.36
  6. Step 6: Final answer
    x = 31,698.18

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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.