Home / 56,802.02-78,325.26-38,664.50

Finding the Fourth Proportional to 56,802.02, 78,325.26 and 38,664.50

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Solution

The fourth proportional to 56,802.02, 78,325.26 and 38,664.50 is: 53,315.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,802.02 : 78,325.26 = 38,664.50 : x
  2. Step 2: Convert to fraction form
    56,802.02/78,325.26 = 38,664.50/x
  3. Step 3: Cross multiply
    56,802.02x = 78,325.26 × 38,664.50
  4. Step 4: Simplify right side
    56,802.02x = 3,028,407,015.27
  5. Step 5: Solve for x
    x = 3,028,407,015.27/56,802.02
  6. Step 6: Final answer
    x = 53,315.13

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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.