Home / 30,533.61-42,124.26-19,041.76

Finding the Fourth Proportional to 30,533.61, 42,124.26 and 19,041.76

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Solution

The fourth proportional to 30,533.61, 42,124.26 and 19,041.76 is: 26,270.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,533.61 : 42,124.26 = 19,041.76 : x
  2. Step 2: Convert to fraction form
    30,533.61/42,124.26 = 19,041.76/x
  3. Step 3: Cross multiply
    30,533.61x = 42,124.26 × 19,041.76
  4. Step 4: Simplify right side
    30,533.61x = 802,119,953.89
  5. Step 5: Solve for x
    x = 802,119,953.89/30,533.61
  6. Step 6: Final answer
    x = 26,270.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.