Home / 37,688.10-56,537.55-12,729.30

Finding the Fourth Proportional to 37,688.10, 56,537.55 and 12,729.30

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Solution

The fourth proportional to 37,688.10, 56,537.55 and 12,729.30 is: 19,095.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,688.10 : 56,537.55 = 12,729.30 : x
  2. Step 2: Convert to fraction form
    37,688.10/56,537.55 = 12,729.30/x
  3. Step 3: Cross multiply
    37,688.10x = 56,537.55 × 12,729.30
  4. Step 4: Simplify right side
    37,688.10x = 719,683,435.22
  5. Step 5: Solve for x
    x = 719,683,435.22/37,688.10
  6. Step 6: Final answer
    x = 19,095.77

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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.