Home / 30,056.02-45,088.14-12,521.76

Finding the Fourth Proportional to 30,056.02, 45,088.14 and 12,521.76

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Solution

The fourth proportional to 30,056.02, 45,088.14 and 12,521.76 is: 18,784.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,056.02 : 45,088.14 = 12,521.76 : x
  2. Step 2: Convert to fraction form
    30,056.02/45,088.14 = 12,521.76/x
  3. Step 3: Cross multiply
    30,056.02x = 45,088.14 × 12,521.76
  4. Step 4: Simplify right side
    30,056.02x = 564,582,867.93
  5. Step 5: Solve for x
    x = 564,582,867.93/30,056.02
  6. Step 6: Final answer
    x = 18,784.35

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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.