Home / 30,434.02-45,657.50-12,903.46

Finding the Fourth Proportional to 30,434.02, 45,657.50 and 12,903.46

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Solution

The fourth proportional to 30,434.02, 45,657.50 and 12,903.46 is: 19,357.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,434.02 : 45,657.50 = 12,903.46 : x
  2. Step 2: Convert to fraction form
    30,434.02/45,657.50 = 12,903.46/x
  3. Step 3: Cross multiply
    30,434.02x = 45,657.50 × 12,903.46
  4. Step 4: Simplify right side
    30,434.02x = 589,139,724.95
  5. Step 5: Solve for x
    x = 589,139,724.95/30,434.02
  6. Step 6: Final answer
    x = 19,357.93

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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.