Home / 56,533.50-78,017.94-31,384.62

Finding the Fourth Proportional to 56,533.50, 78,017.94 and 31,384.62

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Solution

The fourth proportional to 56,533.50, 78,017.94 and 31,384.62 is: 43,311.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,533.50 : 78,017.94 = 31,384.62 : x
  2. Step 2: Convert to fraction form
    56,533.50/78,017.94 = 31,384.62/x
  3. Step 3: Cross multiply
    56,533.50x = 78,017.94 × 31,384.62
  4. Step 4: Simplify right side
    56,533.50x = 2,448,563,400.08
  5. Step 5: Solve for x
    x = 2,448,563,400.08/56,533.50
  6. Step 6: Final answer
    x = 43,311.72

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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.