Home / 56,835.60-78,246.18-54,030.30

Finding the Fourth Proportional to 56,835.60, 78,246.18 and 54,030.30

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Solution

The fourth proportional to 56,835.60, 78,246.18 and 54,030.30 is: 74,384.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,835.60 : 78,246.18 = 54,030.30 : x
  2. Step 2: Convert to fraction form
    56,835.60/78,246.18 = 54,030.30/x
  3. Step 3: Cross multiply
    56,835.60x = 78,246.18 × 54,030.30
  4. Step 4: Simplify right side
    56,835.60x = 4,227,664,579.25
  5. Step 5: Solve for x
    x = 4,227,664,579.25/56,835.60
  6. Step 6: Final answer
    x = 74,384.09

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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.