Home / 37,931.08-56,897.84-12,970.12

Finding the Fourth Proportional to 37,931.08, 56,897.84 and 12,970.12

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Solution

The fourth proportional to 37,931.08, 56,897.84 and 12,970.12 is: 19,455.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,931.08 : 56,897.84 = 12,970.12 : x
  2. Step 2: Convert to fraction form
    37,931.08/56,897.84 = 12,970.12/x
  3. Step 3: Cross multiply
    37,931.08x = 56,897.84 × 12,970.12
  4. Step 4: Simplify right side
    37,931.08x = 737,971,812.54
  5. Step 5: Solve for x
    x = 737,971,812.54/37,931.08
  6. Step 6: Final answer
    x = 19,455.60

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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.