Home / 58,172.10-87,236.60-20,722.22

Finding the Fourth Proportional to 58,172.10, 87,236.60 and 20,722.22

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Solution

The fourth proportional to 58,172.10, 87,236.60 and 20,722.22 is: 31,075.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,172.10 : 87,236.60 = 20,722.22 : x
  2. Step 2: Convert to fraction form
    58,172.10/87,236.60 = 20,722.22/x
  3. Step 3: Cross multiply
    58,172.10x = 87,236.60 × 20,722.22
  4. Step 4: Simplify right side
    58,172.10x = 1,807,736,411.86
  5. Step 5: Solve for x
    x = 1,807,736,411.86/58,172.10
  6. Step 6: Final answer
    x = 31,075.66

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1.5x scale

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.