Home / 37,406.31-56,070.02-12,439.68

Finding the Fourth Proportional to 37,406.31, 56,070.02 and 12,439.68

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Solution

The fourth proportional to 37,406.31, 56,070.02 and 12,439.68 is: 18,646.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,406.31 : 56,070.02 = 12,439.68 : x
  2. Step 2: Convert to fraction form
    37,406.31/56,070.02 = 12,439.68/x
  3. Step 3: Cross multiply
    37,406.31x = 56,070.02 × 12,439.68
  4. Step 4: Simplify right side
    37,406.31x = 697,492,927.23
  5. Step 5: Solve for x
    x = 697,492,927.23/37,406.31
  6. Step 6: Final answer
    x = 18,646.40

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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.