Home / 37,656.90-56,445.91-12,688.32

Finding the Fourth Proportional to 37,656.90, 56,445.91 and 12,688.32

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Solution

The fourth proportional to 37,656.90, 56,445.91 and 12,688.32 is: 19,019.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,656.90 : 56,445.91 = 12,688.32 : x
  2. Step 2: Convert to fraction form
    37,656.90/56,445.91 = 12,688.32/x
  3. Step 3: Cross multiply
    37,656.90x = 56,445.91 × 12,688.32
  4. Step 4: Simplify right side
    37,656.90x = 716,203,768.77
  5. Step 5: Solve for x
    x = 716,203,768.77/37,656.90
  6. Step 6: Final answer
    x = 19,019.19

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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.