Home / 56,428.86-84,643.65-14,875.50

Finding the Fourth Proportional to 56,428.86, 84,643.65 and 14,875.50

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Solution

The fourth proportional to 56,428.86, 84,643.65 and 14,875.50 is: 22,313.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,428.86 : 84,643.65 = 14,875.50 : x
  2. Step 2: Convert to fraction form
    56,428.86/84,643.65 = 14,875.50/x
  3. Step 3: Cross multiply
    56,428.86x = 84,643.65 × 14,875.50
  4. Step 4: Simplify right side
    56,428.86x = 1,259,116,615.58
  5. Step 5: Solve for x
    x = 1,259,116,615.58/56,428.86
  6. Step 6: Final answer
    x = 22,313.34

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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.