Home / 30,130.02-45,199.26-12,595.86

Finding the Fourth Proportional to 30,130.02, 45,199.26 and 12,595.86

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Solution

The fourth proportional to 30,130.02, 45,199.26 and 12,595.86 is: 18,895.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,130.02 : 45,199.26 = 12,595.86 : x
  2. Step 2: Convert to fraction form
    30,130.02/45,199.26 = 12,595.86/x
  3. Step 3: Cross multiply
    30,130.02x = 45,199.26 × 12,595.86
  4. Step 4: Simplify right side
    30,130.02x = 569,323,551.06
  5. Step 5: Solve for x
    x = 569,323,551.06/30,130.02
  6. Step 6: Final answer
    x = 18,895.56

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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.